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Is it ok to drive with the p0449 code on

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This is an EVAP emissions code. I am pretty sure it is a vent solenoid code. Yes it is o.k. to drive it with this code. Typically it will have a relatively easy and somewhat inexpensive repair. It would be better to have the problem repaired as soon as possible. This will enable you to turn the light off. If another more severe problem should come up the light will turn back on to alert you. If you do not repair the issue you will never know if another issue pops up that could be more serious since the check engine light will already be on.

Posted on Jan 16, 2013

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Posted on Jan 02, 2017

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Replaced purge valve cannister & tube on 2009 chevy impala ss plus 10amp fuse, gas cap code is p0449; now the check engine light has not went out been 4 days since replace now what 2 do...help help


gas cap code p0449 ??? This is not a gas cap code ! DTC P0449: Evaporative Emission (EVAP) Vent Solenoid Control Circuit.. your best bet , take it to a qualified chevy repair shop .


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What makes my Chevy malibu 2005 v6 put system code po449 out


P0449 - OBD II Trouble Code Evaporative System Vent Valve/Solenoid Circuit Malfunction Our emissions expert has put together the following information about the P0449 fault code. We have also included diagnostic procedures you can take to your repair shop if the mechanic is having difficulty analyzing the code.
OBD II Fault Code
  • OBD II P0449
Fault Code Definition
  • Evaporative System Vent Control Circuit Malfunction
What does this mean? The evaporative control (EVAP) system captures any raw fuel evaporating from the fuel storage system (e.g. the fuel tank, filler neck, and fuel cap). Under precise operating conditions-dictated by engine temperature, speed, and load-the EVAP system stores and purges these captured fuel vapors back into the combustion process. The carbon canister, which stores the raw fuel vapors, utilizes a vent valve that allows fresh air to enter the EVAP system. This displaces the fuel vapor as it's purged into the combustion process. Code P0449 indicates that the evaporative control (EVAP) system vent valve solenoid is malfunctioning. This can be caused by either too little or too much electrical resistance or a mechanical problem with the vent valve itself. Symptoms
  • Check Engine Light will illuminate
  • In most cases, there are no adverse conditions noticed by the driver
  • In some cases, there may be a noticeable fuel odor caused by the release of fuel vapors
Common Problems That Trigger the P0449 Code
  • Missing fuel cap
  • Defective Evaporative Vent Valve
  • Defective or damaged fuel cap
  • Distorted, damaged or cracked Fuel Tank Filler Neck
  • Torn or punctured Evaporative system hose(s)
  • Defective Fuel Tank Sending Unit gasket or seal
  • Split or damaged Carbon Canister
  • Defective or damaged fuel tank
Common Misdiagnoses
  • Fuel cap
  • Evaporative Purge Valve
  • Evaporative Vent Valve
Polluting Gases Expelled
  • HCs (Hydrocarbons): Unburned droplets of raw fuel that smell, affect breathing, and contribute to smog

P0449 OBD II Trouble Code

Jan 30, 2017 | Cars & Trucks

1 Answer

What are the probable causes of DTC P0449?


P0449 - OBD-Codes.com

www.obd-codes.com/p0449
Detailed information on diagnosing and repairing a P0449 DTC code which refers ...P0449 Evaporative Emission Control System Vent Valve/Solenoid Circuit ... OBD-IITrouble Code Technical Description ... 2004 Chevrolet Tahoe 4.8L p0449

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Solving a P0449 Engine Code on a 2008 Chevy Impala ...

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Jan 07, 2016 | 2004 Chevrolet Chevrolet Impala

1 Answer

How do I diagnose and fix a P0449 code in a 2010 Chevy Impala? Also, is it safe to actually drive the vehicle with this code?


Evap Emission Ctrl Sys Vent Valve/Solenoid CircError. Depending on where you are your car might fail MoT test but you can drive with decreased fuel efficiency though.

May 12, 2015 | 2010 Chevrolet Impala LS

1 Answer

Check engine light on, the code is P0449 on a 2009 chevy treverse need a wiring diagram How to fix it


Hello there

Lots of people seem to get this code.

Electrical diagram is included in the Haynes Manual (which EVERYBODY should have for their car !!) Available here.http://www.haynes.com/products/?searchType=vehicleApplicationSearch2&searchEnd=yes&sfID1=&sfID2=&sfID3=&year=2009&make=Chevrolet&model=Traverse&x=22&y=11


http://engine-codes.com/p0449_chevrolet.html
This says the vent valve/solenoid in the evaporative emission control system.

Something similar here which will be of use to you.
http://www.gm-trucks.com/forums/topic/82504-check-engine-light-code-p0449/
Vent Solenoid problem ...changed seems to have cured it.

Sep 21, 2014 | 2009 Chevrolet Traverse

1 Answer

My trailblazzer keeps intermittly give engine codes P0014, P0449, P1400


p0014 is likely a camshaft solenoid valve, the p0449 is likely a evap vent valve or wiring, and a p1400 (sorry for this one) is likely a cylinder head. based on the codes you asked you have the 4.2l L6 motor.

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1 Answer

P0449 We changed two parts pertaining to this code and light still on


What parts did you change? P0449 is an electrical only code. It will set when the ecm determines the circuit to evaporative vent solenoid is incomplete.

Mar 01, 2013 | 2003 Pontiac Aztek

1 Answer

2008 Envoy with P0449 code


I'm sure the question is WHERE is the valve located

Dec 04, 2011 | 2008 GMC Envoy

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